72 Wins, 47 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/10/86 | Lost | Lakeside (Seattle) 35 | Sequim 40 | Non-league | 1.054 |
| 12/30/86 | Won | Lakeside (Seattle) 41 | Mountlake Terrace 37 | Non-league | 0.341 |
| 03/06/87 | Won | Lakeside (Seattle) 49 | Lake Stevens 45 | Playoff | 5.400 |
| 02/03/88 | Lost | Lakeside (Seattle) 38 | Nathan Hale 39 | League | 6.093 |
| 03/09/88 | Won | Lakeside (Seattle) 60 | Ferndale 35 | Playoff | 4.016 |
| 12/16/88 | Won | Lakeside (Seattle) 55 | Rainier Beach 46 | League | 1.831 |
| 02/21/89 | Won | Lakeside (Seattle) 68 | Rainier Beach 63 | Playoff | 1.831 |
| 03/11/89 | Won | Lakeside (Seattle) 59 | Rainier Beach 50 | Playoff | 1.831 |
| 01/24/90 | Lost | Lakeside (Seattle) 62 | Rainier Beach 64 | League | 5.083 |
| 03/03/90 | Lost | Lakeside (Seattle) 56 | Rainier Beach 59 | Playoff | 5.083 |
| 11/30/90 | Won | Lakeside (Seattle) 45 | Bainbridge 37 | Non-league | 1.317 |
| 02/06/91 | Lost | Lakeside (Seattle) 32 | Seattle Prep 44 | League | 8.819 |
| 02/26/91 | Lost | Lakeside (Seattle) 42 | Chief Sealth 44 | Playoff | 5.931 |
| 03/11/93 | Won | Lakeside (Seattle) 70 | Hanford 55 | Playoff | 2.158 |
| 03/12/93 | Lost | Lakeside (Seattle) 43 | Prairie 58 | Playoff | 0.138 |
| 03/13/93 | Won | Lakeside (Seattle) 58 | Sehome 45 | Playoff | 3.085 |
| 12/04/93 | Won | Lakeside (Seattle) 66 | Prairie 47 | Non-league | 4.784 |
| 12/13/94 | Lost | Lakeside (Seattle) 35 | Eastside Catholic 40 | League | 12.787 |
| 12/30/94 | Lost | Lakeside (Seattle) 39 | Holy Names 56 | Non-league | 0.385 |
| 01/06/95 | Lost | Lakeside (Seattle) 37 | Holy Names 40 | League | 0.385 |
| 01/12/96 | Lost | Lakeside (Seattle) 37 | Garfield 48 | Non-league | 3.337 |
| 02/14/96 | Lost | Lakeside (Seattle) 45 | Eastside Catholic 46 | Playoff | 10.634 |
| 02/24/96 | Won | Lakeside (Seattle) 43 | Seattle Prep 42 | Playoff | 5.136 |
| 12/06/96 | Lost | Lakeside (Seattle) 53 | Bainbridge 55 | Non-league | 18.453 |
| 12/11/96 | Lost | Lakeside (Seattle) 51 | Lynnwood 52 | Non-league | 8.789 |
| 02/14/97 | Lost | Lakeside (Seattle) 40 | Seattle Prep 45 | League | 3.807 |
| 03/12/97 | Won | Lakeside (Seattle) 54 | West Valley (Yakima) 42 | Playoff | 4.271 |
| 12/12/97 | Lost | Lakeside (Seattle) 56 | Holy Names 65 | League | 2.535 |
| 12/04/98 | Won | Lakeside (Seattle) 41 | Mercer Island 29 | Non-league | 1.639 |
| 12/15/98 | Won | Lakeside (Seattle) 44 | Holy Names 41 | League | 6.612 |
| 12/29/98 | Lost | Lakeside (Seattle) 41 | Meridian 42 | Non-league | 0.119 |
| 01/20/99 | Won | Lakeside (Seattle) 47 | Rainier Beach 45 | League | 1.324 |
| 02/20/99 | Lost | Lakeside (Seattle) 39 | Chief Sealth 55 | Playoff | 8.947 |
| 02/23/99 | Won | Lakeside (Seattle) 51 | Mercer Island 40 | Playoff | 1.639 |
| 01/12/00 | Won | Lakeside (Seattle) 51 | Rainier Beach 49 | League | 0.298 |
| 01/26/00 | Won | Lakeside (Seattle) 53 | Blanchet 47 | League | 9.120 |
| 01/24/01 | Lost | Lakeside (Seattle) 31 | Bishop Blanchet 45 | League | 1.457 |
| 02/07/01 | Lost | Lakeside (Seattle) 41 | Seattle Prep 50 | Playoff | 9.475 |
| 02/13/01 | Won | Lakeside (Seattle) 50 | Bellevue 44 | Playoff | 4.367 |
| 03/03/01 | Won | Lakeside (Seattle) 51 | Bellevue 36 | Playoff | 4.367 |
| 11/30/01 | Won | Lakeside (Seattle) 56 | Eastside Catholic 44 | League | 2.059 |
| 12/21/01 | Lost | Lakeside (Seattle) 51 | Bainbridge 60 | League | 3.624 |
| 02/06/02 | Lost | Lakeside (Seattle) 52 | Bainbridge 56 | Playoff | 3.624 |
| 02/12/02 | Won | Lakeside (Seattle) 54 | Bishop Blanchet 51 | Playoff | 2.453 |
| 02/22/02 | Won | Lakeside (Seattle) 54 | Rainier Beach 42 | Playoff | 3.116 |
| 02/27/02 | Won | Lakeside (Seattle) 52 | Meadowdale 39 | Playoff | 7.868 |
| 03/02/02 | Won | Lakeside (Seattle) 55 | Rainier Beach 50 | Playoff | 3.116 |
| 12/06/02 | Won | Lakeside (Seattle) 66 | Rainier Beach 49 | League | 3.714 |
| 12/18/02 | Won | Lakeside (Seattle) 42 | Seattle Prep 38 | League | 1.266 |
| 12/20/02 | Lost | Lakeside (Seattle) 47 | Bainbridge 48 | League | 14.823 |
| 03/08/03 | Won | Lakeside (Seattle) 55 | Seattle Prep 48 | Playoff | 1.266 |
| 12/12/03 | Lost | Lakeside (Seattle) 51 | Holy Names 60 | League | 1.696 |
| 12/19/03 | Won | Lakeside (Seattle) 53 | Bainbridge 41 | League | 9.006 |
| 12/26/03 | Won | Lakeside (Seattle) 43 | Sehome 42 | Non-league | 3.183 |
| 12/27/03 | Lost | Lakeside (Seattle) 39 | Lynden Christian 40 | Non-league | 7.202 |
| 01/23/04 | Lost | Lakeside (Seattle) 33 | Holy Names 46 | League | 1.696 |
| 12/17/04 | Won | Lakeside (Seattle) 57 | Bainbridge 50 | League | 14.435 |
| 01/19/05 | Won | Lakeside (Seattle) 45 | Ingraham 39 | League | 0.580 |
| 02/04/05 | Won | Lakeside (Seattle) 54 | Holy Names 47 | League | 14.378 |
| 02/07/05 | Won | Lakeside (Seattle) 44 | Cleveland 31 | Playoff | 2.362 |
| 02/12/05 | Won | Lakeside (Seattle) 48 | Ingraham 44 | Playoff | 0.580 |
| 12/17/05 | Lost | Lakeside (Seattle) 57 | Redmond 59 | Non-league | 1.589 |
| 01/04/06 | Won | Lakeside (Seattle) 55 | Seattle Prep 49 | League | 0.373 |
| 01/18/06 | Lost | Lakeside (Seattle) 62 | Ingraham 71 | League | 5.889 |
| 02/01/06 | Won | Lakeside (Seattle) 61 | Seattle Prep 58 | League | 0.373 |
| 02/02/06 | Won | Lakeside (Seattle) 66 | Holy Names 52 | League | 3.297 |
| 02/11/06 | Lost | Lakeside (Seattle) 46 | Ingraham 54 | Playoff | 5.889 |
| 02/14/06 | Lost | Lakeside (Seattle) 42 | Bellevue 70 | Playoff | 1.126 |
| 01/05/07 | Lost | Lakeside (Seattle) 58 | Holy Names 66 | League | 2.329 |
| 01/17/07 | Won | Lakeside (Seattle) 65 | Rainier Beach 60 | League | 0.463 |
| 02/17/07 | Won | Lakeside (Seattle) 55 | Rainier Beach 40 | Playoff | 0.463 |
| 12/14/07 | Won | Lakeside (Seattle) 59 | Bainbridge 52 | League | 0.073 |
| 01/16/08 | Lost | Lakeside (Seattle) 50 | Rainier Beach 53 | League | 6.045 |
| 02/05/08 | Won | Lakeside (Seattle) 47 | Seattle Prep 43 | League | 3.928 |
| 02/28/08 | Won | Lakeside (Seattle) 49 | Issaquah 48 | Playoff | 6.517 |
| 03/01/08 | Won | Lakeside (Seattle) 54 | Bainbridge 36 | Playoff | 0.073 |
| 03/07/08 | Won | Lakeside (Seattle) 51 | Auburn 42 | Playoff | 0.708 |
| 12/29/08 | Won | Lakeside (Seattle) 44 | Eastlake 40 | Non-league | 1.734 |
| 01/23/09 | Lost | Lakeside (Seattle) 41 | Seattle Prep 43 | League | 9.447 |
| 02/10/09 | Won | Lakeside (Seattle) 41 | Holy Names 33 | League | 2.835 |
| 02/12/09 | Lost | Lakeside (Seattle) 37 | Seattle Prep 42 | League | 9.447 |
| 03/03/09 | Won | Lakeside (Seattle) 36 | Franklin 28 | Playoff | 0.402 |
| 03/14/09 | Won | Lakeside (Seattle) 39 | Prairie 29 | Playoff | 6.453 |
| 02/17/10 | Lost | Lakeside (Seattle) 35 | Franklin 38 | Playoff | 0.098 |
| 03/02/10 | Lost | Lakeside (Seattle) 42 | Nathan Hale 58 | Playoff | 1.637 |
| 12/10/10 | Won | Lakeside (Seattle) 47 | Seattle Prep 39 | League | 2.361 |
| 12/23/10 | Won | Lakeside (Seattle) 53 | Mount Si 50 | Non-league | 2.835 |
| 02/19/11 | Won | Lakeside (Seattle) 45 | Seattle Prep 43 | Playoff | 2.361 |
| 02/26/11 | Won | Lakeside (Seattle) 70 | Wilson 62 | Playoff | 4.479 |
| 11/30/11 | Won | Lakeside (Seattle) 41 | Seattle Prep 35 | League | 5.584 |
| 01/14/12 | Lost | Lakeside (Seattle) 32 | Newport (Bellevue) 46 | Non-league | 2.011 |
| 01/28/12 | Won | Lakeside (Seattle) 43 | Holy Names 25 | League | 2.002 |
| 02/09/12 | Won | Lakeside (Seattle) 40 | Holy Names 37 | Playoff | 2.002 |
| 02/16/12 | Won | Lakeside (Seattle) 34 | Cleveland 33 | Playoff | 8.741 |
| 02/25/12 | Won | Lakeside (Seattle) 48 | Glacier Peak 38 | Playoff | 4.431 |
| 11/30/12 | Won | Lakeside (Seattle) 40 | Seattle Prep 36 | League | 16.539 |
| 01/12/13 | Won | Lakeside (Seattle) 42 | Franklin 32 | League | 2.011 |
| 01/25/13 | Lost | Lakeside (Seattle) 34 | Bishop Blanchet 45 | League | 2.846 |
| 02/05/13 | Lost | Lakeside (Seattle) 45 | Bainbridge 46 | Playoff | 1.394 |
| 12/06/13 | Lost | Lakeside (Seattle) 41 | Seattle Prep 49 | League | 4.196 |
| 12/12/14 | Won | Lakeside (Seattle) 41 | Cleveland 39 | League | 11.292 |
| 01/07/15 | Won | Lakeside (Seattle) 48 | Bishop Blanchet 41 | League | 13.828 |
| 02/06/15 | Won | Lakeside (Seattle) 48 | Holy Names 41 | League | 0.621 |
| 12/29/15 | Won | Lakeside (Seattle) 48 | King's 47 | Non-league | 1.966 |
| 01/22/16 | Lost | Lakeside (Seattle) 44 | Chief Sealth 45 | League | 14.526 |
| 01/25/16 | Won | Lakeside (Seattle) 64 | Rainier Beach 44 | League | 2.442 |
| 02/11/16 | Lost | Lakeside (Seattle) 35 | Roosevelt 44 | Playoff | 0.221 |
| 02/19/16 | Won | Lakeside (Seattle) 57 | Juanita 56 | Playoff | 9.937 |
| 12/07/16 | Won | Lakeside (Seattle) 49 | Cleveland 46 | League | 2.321 |
| 01/11/17 | Won | Lakeside (Seattle) 49 | Rainier Beach 47 | League | 16.059 |
| 01/13/17 | Won | Lakeside (Seattle) 55 | West Seattle 47 | League | 14.889 |
| 01/27/17 | Lost | Lakeside (Seattle) 46 | Eastside Catholic 56 | League | 4.253 |
| 02/01/17 | Lost | Lakeside (Seattle) 44 | Holy Names 51 | League | 4.958 |
| 02/10/17 | Won | Lakeside (Seattle) 48 | Roosevelt 42 | Playoff | 1.843 |
| 12/13/17 | Lost | Lakeside (Seattle) 31 | Bainbridge 36 | League | 1.315 |
| 11/30/18 | Won | Lakeside (Seattle) 45 | Roosevelt 42 | League | 5.506 |
| 12/14/18 | Lost | Lakeside (Seattle) 48 | Holy Names 53 | League | 1.667 |
| 01/22/20 | Lost | Lakeside (Seattle) 40 | Bainbridge 49 | League | 0.297 |
| 02/07/20 | Won | Lakeside (Seattle) 51 | Bishop Blanchet 50 | League | 4.786 |
25 Wins, 26 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/02/02 | Lost | Lakeside (Seattle) 58 | King's 68 | Non-league | 3.878 |
| 12/03/02 | Lost | Lakeside (Seattle) 56 | Ingraham 62 | League | 1.422 |
| 01/07/03 | Won | Lakeside (Seattle) 39 | Bishop Blanchet 37 | League | 2.100 |
| 01/31/03 | Lost | Lakeside (Seattle) 54 | Bainbridge 58 | League | 6.917 |
| 02/07/03 | Lost | Lakeside (Seattle) 69 | Eastside Catholic 71 | League | 9.157 |
| 02/12/03 | Won | Lakeside (Seattle) 36 | Bishop Blanchet 23 | Playoff | 2.100 |
| 02/18/03 | Won | Lakeside (Seattle) 61 | Bellevue 54 | Playoff | 1.639 |
| 01/30/04 | Lost | Lakeside (Seattle) 62 | Bainbridge 65 | League | 7.409 |
| 02/03/04 | Won | Lakeside (Seattle) 56 | Bishop Blanchet 43 | League | 0.584 |
| 01/21/05 | Lost | Lakeside (Seattle) 44 | Eastside Catholic 47 | League | 5.207 |
| 12/13/05 | Won | Lakeside (Seattle) 56 | Bishop Blanchet 52 | League | 13.558 |
| 01/19/07 | Won | Lakeside (Seattle) 57 | West Seattle 51 | League | 4.455 |
| 01/23/07 | Won | Lakeside (Seattle) 62 | Nathan Hale 56 | League | 1.882 |
| 01/30/07 | Won | Lakeside (Seattle) 71 | Eastside Catholic 66 | League | 1.211 |
| 02/08/07 | Won | Lakeside (Seattle) 68 | Bishop Blanchet 65 | League | 4.664 |
| 02/12/07 | Won | Lakeside (Seattle) 62 | Nathan Hale 40 | Playoff | 1.882 |
| 12/27/07 | Won | Lakeside (Seattle) 58 | South Whidbey 55 | Non-league | 0.743 |
| 12/05/08 | Won | Lakeside (Seattle) 60 | Eastside Catholic 49 | League | 9.136 |
| 01/09/09 | Won | Lakeside (Seattle) 36 | Cleveland 31 | League | 10.689 |
| 01/13/09 | Won | Lakeside (Seattle) 47 | Eastside Catholic 45 | League | 9.136 |
| 12/04/09 | Lost | Lakeside (Seattle) 55 | Eastside Catholic 61 | League | 3.506 |
| 12/11/09 | Lost | Lakeside (Seattle) 52 | Ingraham 53 | League | 4.740 |
| 12/18/09 | Won | Lakeside (Seattle) 46 | Franklin 44 | League | 15.915 |
| 12/30/09 | Won | Lakeside (Seattle) 61 | Issaquah 43 | Non-league | 1.679 |
| 01/26/10 | Lost | Lakeside (Seattle) 61 | Bishop Blanchet 83 | League | 7.917 |
| 02/04/11 | Lost | Lakeside (Seattle) 57 | Eastside Catholic 63 | League | 1.118 |
| 12/09/11 | Lost | Lakeside (Seattle) 61 | Eastside Catholic 64 | League | 1.674 |
| 12/13/11 | Lost | Lakeside (Seattle) 60 | Nathan Hale 68 | League | 3.280 |
| 01/03/12 | Lost | Lakeside (Seattle) 57 | Ingraham 67 | League | 9.899 |
| 01/21/12 | Lost | Lakeside (Seattle) 47 | West Seattle 58 | League | 6.566 |
| 02/06/12 | Lost | Lakeside (Seattle) 62 | Eastside Catholic 67 | Playoff | 1.674 |
| 11/30/12 | Lost | Lakeside (Seattle) 56 | Seattle Prep 58 | League | 4.052 |
| 01/11/13 | Lost | Lakeside (Seattle) 56 | Eastside Catholic 64 | League | 9.750 |
| 02/16/13 | Won | Lakeside (Seattle) 72 | Rainier Beach 65 | Playoff | 6.750 |
| 01/18/14 | Won | Lakeside (Seattle) 57 | Franklin 54 | League | 5.140 |
| 02/10/14 | Lost | Lakeside (Seattle) 58 | West Seattle 65 | Playoff | 4.142 |
| 02/03/15 | Lost | Lakeside (Seattle) 61 | Roosevelt 70 | League | 9.811 |
| 03/07/15 | Won | Lakeside (Seattle) 58 | Bellevue 54 | Playoff | 11.829 |
| 01/05/16 | Lost | Lakeside (Seattle) 46 | Bishop Blanchet 55 | League | 6.511 |
| 02/11/16 | Won | Lakeside (Seattle) 59 | Franklin 54 | Playoff | 3.839 |
| 12/19/16 | Lost | Lakeside (Seattle) 48 | Northwest 53 | Non-league | 10.580 |
| 01/03/17 | Won | Lakeside (Seattle) 46 | Ballard 44 | League | 6.519 |
| 01/24/17 | Won | Lakeside (Seattle) 62 | Ingraham 40 | League | 0.486 |
| 01/05/18 | Lost | Lakeside (Seattle) 54 | Roosevelt 57 | League | 5.330 |
| 01/19/18 | Lost | Lakeside (Seattle) 67 | Nathan Hale 69 | League | 14.966 |
| 12/21/18 | Lost | Lakeside (Seattle) 55 | Cleveland 67 | League | 8.239 |
| 12/22/18 | Lost | Lakeside (Seattle) 45 | Edmonds-Woodway 48 | Non-league | 1.607 |
| 01/03/20 | Lost | Lakeside (Seattle) 59 | Chief Sealth 61 | League | 3.084 |
| 01/04/20 | Won | Lakeside (Seattle) 59 | Cleveland 57 | League | 0.071 |
| 01/20/20 | Won | Lakeside (Seattle) 52 | Nathan Hale 49 | League | 7.767 |
| 02/10/20 | Won | Lakeside (Seattle) 67 | Cleveland 61 | Playoff | 0.071 |